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Impact of chemical, plant based pesticides and Bio-agents for the control of Ashweevil Myllocerus subfasciatus on brinjal

  • Unique Paper ID: 166104
  • Volume: 11
  • Issue: 2
  • PageNo: 447-452
  • Abstract:
  • The Ash weevil, Myllocerus subfasciatus (Guerin Meneville), is a significant pest that causes damage to brinjal crops throughout the year. The infestation by adult weevils and their larvae can lead to substantial economic losses for farmers. To address this issue, various chemical and plant-based insecticidal treatments are used, including soil application and foliar spray. Effective bio-agents such as Metarhizium anisoplea and Entomopathogenic nematodes (EPN) are also employed. One treatment involves the application of neem cake at 250 kg/ha before and after planting, along with using insecticides as needed when pest levels reach the economic threshold in the field. Pre-planting soil applications of vermicompost and Metarhizium anisoplea at 7.5 kg/ha and Entomopathogenic nematodes at 2.5 kg/ha have shown promise. Additionally, carbofuran and fertera at specific intervals, and sprays of Fipronil and Chlorpyriphos are carried out based on observations of leaf damage and adult weevil movement. Among these treatments, the pre-planting application of vermicompost and Metarhizium anisoplea at 7.5 kg/ha, repeated at 35-day intervals, resulted in the lowest incidence and damage caused by the Myllocerus subfasciatus at 120 days after planting, leading to a significant increase in yield. This was followed by the application of Entomopathogenic nematodes at 2.5 kg/ha before planting and at 25-day intervals until the crop reached 115-120 days of age.
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Cite This Article

  • ISSN: 2349-6002
  • Volume: 11
  • Issue: 2
  • PageNo: 447-452

Impact of chemical, plant based pesticides and Bio-agents for the control of Ashweevil Myllocerus subfasciatus on brinjal

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Impact Factor
8.01 (Year 2024)
UGC Approved
Journal no 47859

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